Method of disassembling liquid crystal display

ABSTRACT

A method of disassembling a liquid crystal display comprising a plastic frame having two inner walls and two loading planes, an optical film, a LCD panel and a double-sided tape. One side of the double-sided tape respectively adheres the optical film, One inner wall and the two loading planes, and the other side thereof adheres the LCD panel, and the optical film and the LCD panel are together installed in the plastic frame. The method comprises a protruding part is pressed, so the plastic frame is deformed, and the side of the double-sided tape still adheres the optical film and the plastic frame, with the deformation of the plastic frame, one corner of the LCD panel is released from the other adhering surface of the double-sided tape; and the released corner of the LCD panel is lifted till the LCD panel is totally removed.

RELATED APPLICATIONS

The present application is a divisional of U.S. application Ser. No.13/240,362, filed on Sep. 22, 2011, which was based on, and claimspriority from, Chinese Patent Application Serial Number 201010624760.1,filed Dec. 30, 2010, the disclosure of which is hereby incorporated byreference herein in its entirely.

BACKGROUND

1. Technical Field

The present invention relates to a liquid crystal display, especially toa liquid crystal display (LCD) and a method of disassembling the same.

2. Description of Related Art

In general, a liquid crystal display is installed with a double-sidedadhesive light-shielding tape sandwiched between a backlight module anda LCD panel. Two sides of the double-sided adhesive light-shielding tapeare respectively adhered on the backlight module and the LCD panel fornot only shielding the edges of the backlight module to avoid lightleaking but also for preventing the friction happened between the LCDpanel and the backlight module to avoid optical films of the backlightmodule being scratched and the display quality of the liquid crystaldisplay is affected.

In the process of production and testing, an operator may have torepeatedly assemble and disassemble the liquid crystal display. Sincethe LCD panel is installed in an plastic frame and is adhered by thedouble-sided adhesive light-shielding tape, thus, for disassembling theLCD, the operator has to press the plastic frame, such that the plasticframe generates deformation and a corner of a LCD panel is exposed fromthe plastic frame. So the operator can remove the LCD panel from thedouble-sided adhesive light-shielding tape so as to be released from theplastic frame.

However, since the backlight module is adhered on the other side of thedouble-sided adhesive light-shielding tape, in the process ofdisassembling the LCD, the double-sided adhesive light-shielding tapewould be pulled or stretched to cause the relative locations of thebacklight module and the LCD panel are deviated, and each optical filmof the backlight module may therefore be damaged and the topmost opticalfilm may be scratched; or even, when the LCD panel of the disassembledLCD is very thin in thickness, the LCD panel may be damaged or evenbroken, so that defective products are produced and the production costis wasted.

SUMMARY

The present invention discloses a liquid crystal display and a method ofdisassembling the same, such that in the process of disassembling theLCD, avoid a backlight module being moved when the LCD panel is removed,so as to reduce the possibilities of the deviation of the backlightmodule, to avoid each optical film of the backlight module being damagedand the topmost optical film of the backlight module being scratched.

The present invention discloses a liquid crystal display and a method ofdisassembling the same, such that in the process of disassembling theLCD panel, the possibility of a plastic frame being overly pressed andnot able to be recovered is reduced.

The present invention discloses a liquid crystal display and a method ofdisassembling the same, such that in the process of disassembling theLCD panel, the possibility of the LCD panel being damaged or brokenduring the LCD panel being bended is reduced.

According to one embodiment of the present invention, a liquid crystaldisplay is provided. The liquid crystal display comprises a plasticframe, an optical film, a LCD panel and a double-sided tape. The plasticframe comprises a first inner wall, a second inner wall, a first loadingplane and a second loading plane. The first inner wall surrounds to forma first accommodation space therein. The second inner wall surrounds toform a second accommodation space therein. The second accommodationspace and the first accommodation space are in communication, and thesecond accommodation space is larger than the first accommodation space.The first loading plane is respectively adjacent to the first inner walland the second inner wall. The second loading plane is adjacent to thesecond inner wall and extended outwardly from the second accommodationspace. The LCD panel is received in the second accommodation space andstacked on the first loading plane. The double-sided tape comprises anenclosing part and a first protruding part. The enclosing part has afirst central opening therein. The first protruding part is adjacent tothe outer edge of one corner of the enclosing part. Two opposite sidesof the double-sided tape are respectively defined as a first adheringsurface and a second adhering surface. The second adhering surfaceadheres the LCD panel, the first adhering surface of the enclosing partadheres the optical film and the first loading plane, the first adheringsurface of the first protruding part adheres the second inner wall andthe second loading plane.

According to one embodiment of the present invention, the double-sidedtape further comprises a second protruding part. The first adheringsurface of the second protruding part adheres on the second inner walland the second loading plane. The second protruding part and the firstprotruding part are respectively adjacent to the outer edges of twoneighboring corners of the enclosing part.

According to one embodiment of the present invention, the double-sidedtape further comprises a second protruding part. The first adheringsurface of the second protruding part adheres on the second inner walland the second loading plane. The second protruding part and the firstprotruding part are respectively adjacent to the outer edges of twoopposite diagonal corners of the enclosing part.

According to one embodiment of the present invention, the double-sidedtape further comprises a second protruding part. The first adheringsurface of the second protruding part adheres on the second inner walland the second loading plane. The second protruding part and the firstprotruding part are respectively adjacent to the outer edges of twoneighboring sides of the corner of the enclosing part.

According to one embodiment of the present invention, the double-sidedtape further comprises a second protruding part. The first adheringsurface of the second protruding part adheres on the second inner walland the second loading plane. The second protruding part is adjacent tothe outer edge of the enclosing part and disposed between twoneighboring corners of the enclosing part.

According to one embodiment of the present invention, the liquid crystaldisplay further comprises a metal frame. The metal frame is formed witha second central opening therein. The metal frame covers on the plasticframe, and the LCD panel is exposed from the second central opening.

According to one embodiment of the present invention, the plastic framefurther comprises a protrusion disposed at the outer edge of the secondloading plane and protruded towards a direction opposite to the firstloading plane.

According to one embodiment of the present invention, the protrusion isabutted against the metal frame, such that a gap is maintained betweenthe metal frame and the second loading plane.

According to one embodiment of the present invention, the backlightmodule further comprises a flexible circuit board. The enclosing part ofthe double-sided tape has two sides with respect to the first centralopening and the two sides have different widths, the first adheringsurface of the wider side is adhered with the flexible circuit board.

According to one embodiment of the present invention, the double-sidedtape consists of a base strip and a first adhering layer and a secondadhering layer disposed on two opposite surfaces of the base strip, thefirst adhering surface is the surface of the first adhering layer, thesecond adhering surface is the surface of the second adhering layer. Thebase strip is directly exposed on the surface of the first protrudingpart opposite to the second loading plane.

According to one embodiment of the present invention, the double-sidedtape is an adhering layer, and a first adhering surface and a secondadhering surface are two opposite surfaces of the adhering layer. Thesurface of the first protruding part opposite to the second loadingplane is pasted and covered with a release film.

The present invention provides a method of disassembling the LCD panel,with respect to the liquid crystal display according to the mentionedembodiments of the present invention, and the LCD panel is installed inthe mentioned liquid crystal display. The method of disassembling theliquid crystal display comprises two steps as followings. A first stepis to press the portion of the first protruding part corresponding tothe second loading plane, so the plastic frame is deformed, and at thismoment the first adhering surface of the double-sided tape still adheresthe optical film and the plastic frame, with the deformation of theplastic frame, one corner of the LCD panel is released from the secondadhering surface of the double-sided tape. A second step is to lift thereleased corner of the LCD panel till the LCD panel is totally removedfrom the double-sided tape.

According to one embodiment of the present invention, when the secondprotruding part and the first protruding part of the mentioneddouble-sided tape are respectively adjacent to the outer edges of twoneighboring corners of the enclosing part, the step of pressing theportion of the first protruding part corresponding to the second loadingplane further comprises a step of synchronously pressing the portion ofthe first protruding part corresponding to the second loading plane andthe portion of the second protruding part corresponding to the secondloading plane.

According to one embodiment of the present invention, when the secondprotruding part and the first protruding part of the mentioneddouble-sided tape are respectively adjacent to the outer edges of twoopposite diagonal corners of the enclosing part, the step of pressingthe portion of the first protruding part corresponding to the secondloading plane further comprises a step of synchronously pressing theportion of the first protruding part corresponding to the second loadingplane and the portion of the second protruding part corresponding to thesecond loading plane.

According to one embodiment of the present invention, when the secondprotruding part and the first protruding part of the mentioneddouble-sided tape are respectively adjacent to the outer edges of twoneighboring sides of a corner of the enclosing part, the step ofpressing the portion of the first protruding part corresponding to thesecond loading plane further comprises a step of synchronously pressingthe portion of the first protruding part corresponding to the secondloading plane and the portion of the second protruding partcorresponding to the second loading plane.

According to one embodiment of the present invention, when the secondprotruding part and the first protruding part of the mentioneddouble-sided tape are respectively adjacent to the outer edge of theenclosing part and disposed between two neighboring corners of theenclosing part, the step of pressing the portion of the first protrudingpart corresponding to the second loading plane further comprises a stepof synchronously pressing the portion of the first protruding partcorresponding to the second loading plane and the portion of the secondprotruding part corresponding to the second loading plane.

According to one embodiment of the present invention, the step oflifting the released corner of the LCD panel further comprises a step oflifting the LCD panel along an opposite diagonal corner directionrelative to the corner of the LCD panel.

According to one embodiment of the present invention, before the step ofpressing the portion of the first protruding part corresponding to thesecond loading plane, further comprises removing a metal frame of theliquid crystal display.

According to one embodiment of the present invention, during the periodof lifting the corner of the LCD panel till totally removing the LCDpanel, further comprises a step of inserting a release sheet between aportion of the LCD panel released from the second adhering surface, andthe second adhering surface of the double-sided tape.

According to what is mentioned above, with the liquid crystal displayand the method of disassembling the LCD, during the period ofdisassembling the LCD panel, the LCD panel can be easily removed so asto facilitate rework, and the backlight module and panel can be furtherprotected, so the additional cost relative to the deviation conditionsof the backlight module is greatly saved and the production cost isprevented from being wasted.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will be apparent to those skilled in the art byreading the following detailed description of a preferred embodimentthereof, with reference to the attached drawings, in which:

FIG. 1 is a schematic exploded view showing the liquid crystal displayaccording to the present invention.

FIG. 2 is a schematic view showing the assembly of the liquid crystaldisplay according to the present invention.

FIG. 3 is a schematic top view in which the metal frame and the LCDpanel of FIG. 2 being abridged, according to one embodiment of thepresent invention.

FIG. 4A is a cross sectional view taken along a 4A-4A line of FIG. 2.

FIG. 4B is a cross sectional view taken along a 4B-4B line of FIG. 2.

FIG. 5A is a schematic view showing the double-sided tape according toone embodiment of the present invention.

FIG. 5B is a schematic view showing the double-sided tape according toanother embodiment of the present invention.

FIG. 6 is a schematic top view in which the metal frame and the LCDpanel being abridged according to the another embodiment of the presentinvention.

FIG. 7 is a cross sectional view taken along a 7-7 line of FIG. 6.

FIG. 8 is a schematic top view in which the metal frame and the LCDpanel being abridged according to still one another embodiment of thepresent invention.

FIG. 9 is a cross sectional view taken along a 9-9 line of FIG. 8.

FIG. 10A to FIG. 10D are schematic views showing the alternatives of thedouble-sided tape of the liquid crystal display according to thisembodiment of the present invention.

FIG. 11 is a chart flow showing the method of disassembling a LCD panelaccording to one embodiment of the present invention.

FIG. 12A is schematic view showing the operation according to the step(1002) of the method of disassembling the LCD panel according to thepresent invention.

FIG. 12B is schematic view showing the operation according to the step(1003) of the method of disassembling the LCD panel according to thepresent invention.

DESCRIPTION OF THE PREFERRED EMBODIMENTS

Many modifications and other embodiments of the inventions set forthherein will come to mind to one skilled in the art to which theseinventions pertain having the benefit of the teachings presented in thebelow descriptions and the associated drawings. Therefore, it is to beunderstood that the inventions are not to be limited to the specificexamples of the embodiments disclosed and that modifications and otherembodiments are intended to be included within the scope of the appendedclaims. Although specific terms are employed herein, they are used in ageneric and descriptive sense only and not for purposes of limitation.

When disassembling a LCD panel from a liquid crystal display, theoptical film adhered by a double-sided tape may be deviated, damaged orscratched because the double-sided tape is pulled. One solution providedby the present invention is that a part of the double-sided tape isextended to the edge of a plastic frame, so the double-sided tape isprevented from being deviated through the disassembly of a LCD, and abacklight module is prevented from being subject to the mentionedphenomenon.

Refer to FIG. 1 and FIG. 2, wherein FIG. 1 is a schematic exploded viewshowing the liquid crystal display according to the present invention,and FIG. 2 is a schematic view showing the assembly of the liquidcrystal display according to the present invention.

According to one embodiment, a liquid crystal display 100 is provided.The liquid crystal display 100 comprises a backlight module 700, a LCDpanel 400, a double-sided tape 500 and a metal frame 600. The backlightmodule 700 comprises a plastic frame 200, an optical film set 310, alight guide plate 320 and a reflection sheet 330. Two sides of thedouble-sided tape 500 are respectively adhered on the backlight module700 and the LCD panel 400, and the optical film set 310, thedouble-sided tape 500 and the LCD panel 400 are in sequence staked inthe plastic frame 200. The mental frame 600 covers on an outer surfaceof the plastic frame 200 and exposes the LCD panel 400 therein.

Refer to FIG. 3 and FIG. 4A, wherein FIG. 3 is a schematic top view inwhich the metal frame and the LCD panel of FIG. 2 being abridged,according to one embodiment of the present invention; FIG. 4A is a crosssectional view taken along a 4A-4A line of FIG. 2.

Substantially, the plastic frame 200 is a frame body with a hollowrectangular opening, and comprises a first inner wall 210, a firstloading plane 220 and a second inner wall 230. The first inner wall 210of the plastic frame 200 surrounds a first accommodation space 240therein. The second inner wall 230 of the plastic frame 200 surrounds asecond accommodation space 250 therein. The second accommodation space250 is in communication with the first accommodation space 240. Becausethe first inner wall 210 is closer to the center of the backlight module700 relative to the second inner wall 230, the second accommodationspace 250 is larger than the first accommodation space 240 in volume.The first loading plane 220 is defined between the first inner wall 210and the second inner wall 230, and two opposite sides of the firstloading plane 220 are respectively adjacent to the first inner wall 210and the second inner wall 230.

Moreover, the plastic frame 200 is further formed with a second loadingplane 260 on the second inner wall 230 along a direction opposite to thesecond accommodation space 250. In other words, the second loading plane260 is adjacent to one side of the second inner wall 230 and outwardlyextended. The second loading plane 260 is defined as the outer part ofthe plastic frame 200. The second loading plane 260 is substantiallyparallel to the first loading plane 220.

The optical film set 310, the light guide plate 320 and the reflectionsheet 330 can be received in the first accommodation space 240. Theoptical film set 310, the light guide plate 320 and the reflection sheet330 can be in sequence stacked in the first accommodation space 240, andthe reflection sheet 330 is further apart away from the double-sidedtape 500 relative to the optical film set 310.

What shall be defined is that the optical film set 310 consists of anoptical film 311 or a plurality of optical films 311 stacking on eachother. The liquid crystal display 100 can comprise a flexible circuitboard 350 and a plurality of light emitting units 340 which can beinstalled on the flexible circuit board 350 (as shown in FIG. 4B). Thelight emitting units 340 can be arranged correspondingly to one side ofthe light guide plate 320 so as to emit lights towards the light guideplate 320. What shall be addressed is that a side-type backlight moduleis adopted in this embodiment of the present invention for a purpose ofillustration, but a direct-type backlight module can also be adopted inthis embodiment of the present invention in actual use.

The LCD panel 400 is received in the second accommodation space 250 andis stacked on the first loading plane 220 by the double-sided tape 500.The LCD panel 400 is in a rectangular shape having four corners 410 inwhich each corner 410 is formed by two neighboring sides.

The metal frame 600 can be formed with a second central opening 610therein. The metal frame 600 covers on the plastic frame 200 forreinforcing and enhancing the structure of the plastic frame 200, andthe metal frame 600 exposes the LCD panel 400 through the second centralopening 610.

Viewing from the front side of the double-sided tape 500 (i.e. FIG. 3),the double-sided tape 500 comprises an enclosing part 510 and a firstprotruding part 520. The enclosing part 510 is substantially in a hollowrectangular shape, and formed with a first central opening 521 (as shownin FIG. 1). The enclosing part 510 has plural corners 530, each corneris formed through two adjacent sides. The first protruding part 520 isdisposed at the outer edge of the enclosing part 510 relative to thefirst central opening 521, preferably disposed adjacent to the outeredge of one corner 530 of the enclosing part 510, i.e. the firstprotruding part 520 is integrally extended from the outer edge of thecorner 530 of the enclosing part 510 towards a direction away from thefirst central opening 521.

Refer to FIG. 5A and FIG. 5B, wherein FIG. 5A is a schematic viewshowing the double-sided tape according to one embodiment of the presentinvention; FIG. 5B is a schematic view showing the double-sided tapeaccording to another embodiment of the present invention.

According to the present invention, the double-sided tape adopted in theembodiments can be different. As shown in FIG. 5A, the double-sided tape500 is flexible and consists of a first adhering layer 550, a base strip560 and a second adhering layer 570. The first adhering layer 550 andthe second adhering layer 570 are disposed at two opposite sides of thebase strip 560; or as shown in FIG. 5B, the double-sided tape 501 isflexible and mainly composed of an adhering layer 561. Two oppositesides of the adhering layer 561 are respectively formed with a firstadhering surface 552 and a second adhering surface 572.

Accordingly, as shown in FIG. 4A, when laterally viewing thedouble-sided tape 500, the double-sided tape 500 is flexible so as to beinstalled in the plastic frame 200 after being bended and adhered. Indetails, the first adhering surface 551 is the surface of the firstadhering layer 550, and the second adhering surface 571 is the surfaceof the second adhering layer 570.

In the assembly of the LCD panel 400 and the backlight module 700through the double-sided tape 500, one side of the double-sided tape 500is adhered on the LCD panel 400 through the second adhering surface 571formed on the surface of the second adhering layer 570; the other sideof the double-sided tape 500 is synchronously adhered on the opticalfilm 311 and the first loading plane 220 through the first adheringsurface 551 formed on the surface of the first adhering layer 550 of theenclosing part 510, and after the first adhering layer 550 of the firstprotruding part 520 being bended and guided along the surfaces of thesecond inner wall 230 and the second loading plane 260, then adhered onthe second inner wall 230 and the second loading plane 260 through thefirst adhering surface 551 formed on the surface of the first adheringlayer 550.

Moreover, refer to FIG. 3 and FIG. 4B, wherein FIG. 4B is a crosssectional view taken along a 4B-4B line of FIG. 2. According to anotherembodiment of the present invention, the plural sides of the enclosingpart 510 of the double-sided tape 500 are not totally in the same widthwith respect the first central opening 521 (as shown in FIG. 3), whereinone wider side (shown as the side where the enclosing part 510 beingconnected with the flexible circuit board 350 in FIG. 1 or the sidewhere the enclosing part 510 being connected with the flexible circuitboard 350 in FIG. 3) can adhere the optical film 311 (FIG. 4A) and theflexible circuit board 350 (FIG. 4B) through the first adhering surface551 formed on the surface of the first adhering layer 550.

Refer to FIG. 4A and FIG. 4B, when the metal frame 600 covers on onesurface of the plastic frame 200, the location of the first protrudingpart 520 corresponding to the second loading plane 260 may be in contactwith the inner surface of the metal frame 600, if an adhering layer isremained, the metal frame 600 may be adhered on the second adheringsurface 571. So when the metal frame 600 covers on the plastic frame200, the second adhering layer 570 of the surface of the firstprotruding part 520 opposite to the second loading plane 260 can beomitted, i.e. the surface of the first protruding part 520 opposite tothe second loading plane 260 is directly exposed on the base strip 560,so the first protruding part 520 is prevented from adhering on the innersurface of the metal frame 600. As such the disassembly of the LCD 100can be facilitated.

Moreover, the means for preventing the metal frame 600 from beingadhered is not limited to remove the second adhering layer 570 from thefirst protruding part 520, so even if the first protruding part 520 isprovided with the second adhering layer 570, the surface of the firstprotruding part 520 opposite to the second loading plane 260 can bepasted and covered with a release film (not shown) which does not havethe adhering property, such that the first protruding part 520 can beprevented from being adhered on the inner surface of the metal frame600.

Refer to FIG. 6 and FIG. 7, wherein FIG. 6 is a schematic top view inwhich the metal frame and the LCD panel being abridged according to oneanother embodiment of the present invention; FIG. 7 is a cross sectionalview taken along a 7-7 line of FIG. 6. What shall be addressed is thatFIG. 6 shows the metal frame 600 and the LCD panel 400 are omitted forillustration, instead of removing the metal frame 600 and the LCD panel400, so FIG. 7 still shows the metal frame 600 and the LCD panel 400.

According to the one another embodiment, the plastic frame adopts theplastic frame 200 shown in FIG. 3 and FIG. 4A, but the plastic frame 200further comprises a protrusion 270 arranged at the outer edge of thesecond loading plane 260 and protruded in a direction opposite to thefirst loading plane 220. When the metal frame 600 covers on the surfaceof the plastic frame 200, because the protrusion 270 is abutted againstthe metal frame 600, a gap is maintained between the metal frame 600 andthe second loading plane 260, i.e. the metal frame 600 is not in contactwith the first protruding part 520 on the second loading plane 260.

As such, due to the protrusion 270, the metal frame 600 and the secondloading plane 260 are not in contact, so even if the surface of thefirst protruding part 520 opposite to the second loading plane 260 isprovided with the second adhering layer 570 (as shown in FIG. 7), andthe inner surface of the metal frame 600 is prevented from being adheredwith the second adhering surface 571 of the second adhering layer 570 ofthe first protruding part 520, so the disassembly of the LCD 100 can befacilitated.

Refer to FIG. 8 and FIG. 9, wherein FIG. 8 is a schematic top view inwhich the metal frame and the LCD panel being abridged according tostill one another embodiment of the present invention; FIG. 9 is a crosssectional view taken along a 9-9 line of FIG. 8.

What shall be addressed is that FIG. 8 shows the liquid crystal display100 in which the metal frame 600 and the LCD panel 400 are omitted forillustration, instead of removing the metal frame 600 and the LCD panel400, so FIG. 9 still shows the metal frame 600 and the LCD panel 400.

According to the still one another embodiment, the plastic frame adoptsthe plastic frame 200 shown in FIG. 3 and FIG. 4A, and the double-sidedtape 501 of FIG. 5B is adopted in FIG. 8.

So when the metal frame 600 covers on one surface of the plastic frame200, the location of the first protruding part 520 corresponding to thesecond loading plane 260 may be in contact with the inner surface of themetal frame 600, and the metal frame 600 may be adhered on the secondadhering surface 572 of the double-sided tape 501. As such, the surfaceof the first protruding part 520 opposite to the second loading plane260 is partially pasted and covered with a release film 580, so themetal frame 600 can be prevented from being adhered on the secondadhering surface 572 through the release film 580, thus the disassemblyof the LCD 100 can be facilitated.

Refer to FIG. 3, according to the another embodiment of the presentinvention, the double-sided tape 500 further comprises a secondprotruding part 540 adjacent to the outer edge of another corner 531 ofthe enclosing part 510, preferably the first protruding part 520 and thesecond protruding part 540 are respectively adjacent to the outer edgesof the two neighboring corners 530, 531 of the enclosing part 510.

Refer to FIG. 10A to FIG. 10D, wherein FIG. 10A to FIG. 10D areschematic views showing the alternatives of the double-sided tape of theliquid crystal display according to this embodiment of the presentinvention.

Refer to FIG. 10A, according to one another embodiment of the presentinvention, the double-sided tape 500 further comprises a secondprotruding part 541 adjacent to the outer edge of one another corner 532of the enclosing part 510, preferably the first protruding part 520 andthe second protruding part 541 are respectively adjacent to the outeredges of two diagonal corners 530, 532 of the enclosing part 510.

Refer to FIG. 10B, according to one another embodiment of the presentinvention, the double-sided tape 500 further comprises a secondprotruding part 542 adjacent to the outer edge of one corner 530 of theenclosing part 510, preferably the first protruding part 520 and thesecond protruding part 542 are respectively adjacent to the outer edgesof two neighboring sides of the same corner 530 of the enclosing part510.

Refer to FIG. 10C, according to one another embodiment of the presentinvention, the double-sided tape 500 further comprises a secondprotruding part 543 adjacent to the outer edge of the enclosing part510, preferably the second protruding part 543 is respectively adjacentto the outer edge of the enclosing part 510 and disposed between twoneighboring corners 533, 534 of the enclosing part 510.

Refer to FIG. 10D, according to one another embodiment of the presentinvention, the double-sided tape 500 can only has the first protrudingpart 520 and no other protruding part is provided.

Refer to FIG. 11 to FIG. 12B, wherein FIG. 11 is a chart flow showingthe method of disassembling a LCD according to one embodiment of thepresent invention; FIG. 12A is schematic view showing the operationaccording to the step (1002) of the method of disassembling the LCDaccording to the present invention; FIG. 12B is schematic view showingthe operation according to the step (1003) of the method ofdisassembling the LCD according to the present invention.

After fully disclosing the liquid crystal display 100 according to thepresent invention, a method of disassembling the liquid crystal display100 disclosed in the abovementioned embodiments, which comprises thesteps of:

STEP (1001): removing a metal frame 600 of the liquid crystal display100 (as shown in FIG. 2 and FIG. 4A).

In this step, for disassembling the liquid crystal display 100, anoperator has to detach the metal frame 600 covered on the plastic frame200, so the whole LCD panel 400 is exposed, and the double-sided tape500 is disposed at the first protruding part 520 of the second loadingplane 260.

As what is mentioned above, the surface of the first protruding part 520opposite to the second loading plane 260 allows to be not provided withthe second adhering layer 570 (as shown in FIG. 4A); or the secondadhering layer 570 of the first protruding part 520 opposite to thesecond loading plane 260 can be pasted and covered with a release film;or the second adhering surface 572 of the first protruding part 520opposite to the second loading plane 260 can be pasted and covered withthe release film 580 (as shown in FIG. 9); or the second loading plane260 is prevented from being in contact with the metal frame 600 throughthe protrusion 270 (as shown in FIG. 7). So when the operator detachesthe metal frame 600 from the plastic frame 200, the metal frame 600 isnot adhered by the second adhering surfaces 571, 572 of the double-sidedtape 500, so the disassembly of the LCD 100 is facilitated.

However, if the liquid crystal display 100 is not covered with the metalframe 600, and the LCD panel 400 is desired to be removed, then themethod of disassembling the LCD 100 can be started to process from step(1002).

STEP (1002): pressing the second loading plane 260 of the plastic frame200 through the first protruding part 520, so the plastic frame 200being deformed and one of the corners 410 of the LCD panel 400 beingreleased from the second adhering surfaces 571, 572 of the double-sidedtape 500.

In this step, Refer to FIG. 12A, the operator presses the portion of thefirst protruding part 520 corresponding to the second loading plane 260,such that the pressed location of the plastic frame 200 is recessedtowards a first direction D1 for generating deformation, and the corner410 of the LCD panel 400 is released from the second adhering surface571 of the double-sided tape 500; at this moment, the first adheringsurface 551 of the double-sided tape 500 is still adhered with theoptical film 311 of the backlight module 700, the flexible circuit board350 and the second inner wall 230 and the first loading plane 220 of theplastic frame 200.

STEP (1003): lifting the released corner 410 of the LCD panel 400 tillthe LCD panel 400 is totally removed.

In this step, the operator lifts the corner 410 of the LCD panel 400which is released from the second adhering surface 571 towards a D2direction until the LCD panel 400 is totally removed from the secondadhering surface 571 of the double-sided tape 500 (as shown in FIG.12B).

At this moment, the D2 direction can be a diagonal corner directionrelative to the corner 410 of the LCD panel 400 for lifting the LCDpanel 400.

At this moment, because the operator presses the portion of the firstprotruding part 520 opposite to the first loading plane 220, when theLCD panel 400 is released from the second adhering surface 571 of thedouble-sided tape 500, the double-sided tape 500 is prevented from beingpulled by the LCD panel 400 so deviation is avoided, such that theoptical film 311 and the flexible circuit board 350 (as shown in FIG.4B) adhered on the first adhering surface 551 of the double-sided tape500 are prevented from being moved, so the possibilities of the opticalfilm 311 of the backlight module 700 being deviated, damaged orscratched are reduced.

As one another embodiment of the mentioned method, Refer to FIG. 3, FIG.10A to FIG. 10D, when the double-sided tape 500 is further comprisingthe second protruding parts 540, 541, 542, 543, no matter the secondprotruding part 540, 541, 542, 543 and the first protruding part 520 arerespectively adjacent to the outer edges of two neighboring corners 530,531 of the enclosing part 510, or respectively adjacent to the outeredges of two opposite diagonal corners 530, 532 of the enclosing part510, or respectively adjacent to the outer edges of two neighboringsides of a same corner 530 of the enclosing part 510, or the secondprotruding part 543 is adjacent to the outer edge of the enclosing part510 and disposed between two neighboring corners 530, 533 of theenclosing part 510, when the operator wants to remove the LCD panel 400according to the mentioned method of disassembling, the step (1002)further comprises synchronously pressing the portion of the firstprotruding part 520 corresponding to the second loading plane 260 andthe portion of the second protruding part 540, 541, 542, 543corresponding to the second loading plane 260, so a larger portion ofthe LCD panel 400 can be released from the second adhering surface 571.

As one another embodiment of the mentioned method, in the step (1003),during the period of lifting the corner 410 of the LCD panel 400 tilltotally removing the LCD panel 400, a release sheet (not shown) can beinserted between a portion of the LCD panel 400 released from the secondadhering surface 571, and the second adhering surface 571 of thedouble-sided tape 500, so the second adhering surface 571 of thedouble-sided tape 500 is prevented from adhering on the released portionof the LCD panel 400 again.

According to what is mentioned above, with the liquid crystal displayand the method of disassembling the liquid crystal display provided bythe present invention, during the period of disassembling the LCD, theLCD panel can be easily removed so as to facilitate rework, and thebacklight module and glass can be further protected, so the additionalcost relative to the replacement of a broken backlight module element isgreatly saved and the production cost is prevented from being wasted.

Although the present invention has been described with reference to thepreferred embodiments thereof, it is apparent to those skilled in theart that a variety of modifications and changes may be made withoutdeparting from the scope of the present invention which is intended tobe defined by the appended claims.

The reader's attention is directed to all papers and documents which arefiled concurrently with this specification and which are open to publicinspection with this specification, and the contents of all such papersand documents are incorporated herein by reference.

All the features disclosed in this specification (comprising anyaccompanying claims, abstract, and drawings) may be replaced byalternative features serving the same, equivalent or similar purpose,unless expressly stated otherwise. Thus, unless expressly statedotherwise, each feature disclosed is one example only of a genericseries of equivalent or similar features.

What is claimed is:
 1. A method of disassembling a liquid crystaldisplay comprising a plastic frame, an optical film, a LCD panel and adouble-sided tape, wherein the plastic frame comprises a first innersurface, a second inner surface, a first loading plane, and a secondloading plane, and the first inner surface surrounding to form a firstaccommodation space therein, the second inner surface surrounding toform a second accommodation space therein and the second accommodationis in communication with the first accommodation space, and is largerthan the first accommodation space, the first loading plane connected toboth of the first inner surface and the second inner surface, and thesecond loading plane defined as an outer surface of the plastic frameconnected to the second inner surface, the LCD panel disposed in thesecond accommodation space and stacked on the first loading plane andthe optical film is received in the first accommodation space, thedouble-sided tape comprises an enclosing part having a first centralopening, and a first protruding part being adjacent to the outer edge ofa corner of the enclosing part, two opposite sides of the double-sidedtape are respectively defined as a first adhering surface and a secondadhering surface, the second adhering surface adheres to the LCD panel,the first adhering surface of the enclosing part adheres to the opticalfilm and the first loading plane, the first adhering surface of thefirst protruding part is bended to adhere to the second inner surfaceand the second loading plane, and the method of disassembling the liquidcrystal display comprises: pressing a portion of the first protrudingpart corresponding to the second loading plane, so the plastic frame isdeformed, and at this moment the first adhering surface of thedouble-sided tape still adheres the optical film and the plastic frame,with the deformation of the plastic frame, one corner of the LCD panelis released from the second adhering surface of the double-sided tape;and lifting the released corner of the LCD panel till the LCD panel istotally removed from the double-sided tape.
 2. The method ofdisassembling a liquid crystal display according to claim 1, wherein thedouble-sided tape further comprises a second protruding part, and thesecond protruding part and the first protruding part are respectivelyadjacent to outer edges of two neighboring corners of the enclosingpart; and pressing the portion of the first protruding partcorresponding to the second loading plane further comprising:synchronously pressing the portion of the first protruding partcorresponding to the second loading plane and the portion of the secondprotruding part corresponding to the second loading plane.
 3. The methodof disassembling a liquid crystal display according to claim 1, whereinthe double-sided tape further comprises a second protruding part, andthe second protruding part and the first protruding part arerespectively adjacent to outer edges of two diagonal corners of theenclosing part; and pressing the portion of the first protruding partcorresponding to the second loading plane further comprises:synchronously pressing the portion of the first protruding partcorresponding to the second loading plane and the portion of the secondprotruding part corresponding to the second loading plane.
 4. The methodof disassembling a liquid crystal display according to claim 1, whereinthe double-sided tape further comprises a second protruding part, andthe second protruding part and the first protruding part of thedouble-sided tape are respectively adjacent to outer edges of twoneighboring sides of the corner of the enclosing part; and pressing theportion of the first protruding part corresponding to the second loadingplane further comprises synchronously pressing the portion of the firstprotruding part corresponding to the second loading plane and theportion of the second protruding part corresponding to the secondloading plane.
 5. The method of disassembling a liquid crystal displayaccording to claim 1, wherein the double-sided tape further comprises asecond protruding part, and the second protruding part is adjacent to anouter edge of the enclosing part and disposed between two neighboringcorners of the enclosing part; and pressing the portion of the firstprotruding part corresponding to the second loading plane furthercomprises synchronously pressing the portion of the first protrudingpart corresponding to the second loading plane and the portion of thesecond protruding part corresponding to the second loading plane.
 6. Themethod of disassembling a liquid crystal display according to claim 1,wherein lifting the corner of the LCD panel further comprises liftingthe LCD panel along a diagonal corner direction relative to the cornerof the LCD panel so as to lift the LCD panel.
 7. The method ofdisassembling a liquid crystal display according to claim 1, furthercomprising removing a metal frame of the liquid crystal display, beforepressing the portion of the first protruding part corresponding to thesecond loading plane.
 8. The method of disassembling a liquid crystaldisplay according to claim 1, wherein lifting the released corner of theLCD panel comprises inserting a release sheet between a portion of theLCD panel released from the second adhering surface and the secondadhering surface of the double-sided tape.